EP2155448B1 - Cutting device for cushioning dunnage producing machine and machine with cutting device - Google Patents

Cutting device for cushioning dunnage producing machine and machine with cutting device Download PDF

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Publication number
EP2155448B1
EP2155448B1 EP20080746619 EP08746619A EP2155448B1 EP 2155448 B1 EP2155448 B1 EP 2155448B1 EP 20080746619 EP20080746619 EP 20080746619 EP 08746619 A EP08746619 A EP 08746619A EP 2155448 B1 EP2155448 B1 EP 2155448B1
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EP
European Patent Office
Prior art keywords
dunnage
machine
roll
mounting plate
rack gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP20080746619
Other languages
German (de)
French (fr)
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EP2155448A1 (en
Inventor
Jean-Marc Slovenicik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STOROPACK Inc
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STOROPACK Inc
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Publication date
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Publication of EP2155448A1 publication Critical patent/EP2155448A1/en
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Publication of EP2155448B1 publication Critical patent/EP2155448B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/20—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a fixed member
    • B26D1/205—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a fixed member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/14—Crank and pin means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
    • B31D5/0043—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including crumpling flat material
    • B31D5/0047—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including crumpling flat material involving toothed wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/157—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis
    • B26D1/18—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable carriage
    • B26D1/185—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable carriage for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0017—Providing stock material in a particular form
    • B31D2205/0023—Providing stock material in a particular form as web from a roll
    • B31D2205/0029—Providing stock material in a particular form as web from a roll unwound from inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
    • B31D2205/0082—General layout of the machinery or relative arrangement of its subunits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S493/00—Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/967—Dunnage, wadding, stuffing, or filling excelsior
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7755—Carrier for rotatable tool movable during cutting
    • Y10T83/7763—Tool carrier reciprocable rectilinearly
    • Y10T83/7776—With means to reciprocate carrier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7755—Carrier for rotatable tool movable during cutting
    • Y10T83/7763—Tool carrier reciprocable rectilinearly
    • Y10T83/7776—With means to reciprocate carrier
    • Y10T83/778—And means to rotate tool

Definitions

  • This relates generally to cushioning products, and more specifically to a cushioning product of the type formed by crumpling (sometimes referred to as "converting") paper sheet material.
  • a protective packaging material is typically placed in the shipping carton or box, to fill any voids and/or to cushion the item during the shipping process.
  • protective packaging materials are foam "peanuts,” air filled plastic “pillows,” and paper sheet material “converted” into cushioning pads.
  • a number of machines have been proposed for crumpling or "converting" paper sheet into cushioning pads or "dunnage.”
  • One particularly commercially successful machine is disclosed in US Patent No. 6, 106,452 .
  • dunnage producing machines in general, a roll of paper sheet is rotatably supported on the frame of the machine. The leading end of the paper sheet is fed into the machine, the machine draws the paper sheet into it by rotating the roll of paper (i.e. unrolling the roll), and the machine crumples the paper into dunnage.
  • the amount of paper which can be utilized is limited due to size and weight considerations.
  • Dunnage producing machines such as the one shown in U.S. Pat. No. 6,106,452 and discussed above, and shown in U.S. Pat. No. 3,603,216 , include a forming/folding/rolling apparatus to form/fold/roll the paper sheet prior to crumpling, to add thickness/resilience to the finished dunnage product. Such forming/folding/rolling apparatus adds cost and complexity to the dunnage machine.
  • WO 2006/087511 A1 and EP 0 523 382 A1 describe cushioning dunnage producing machines having a crumpler, a roll of paper sheet material, and a cutter.
  • DE 195 38 319 C1 relates to a cutter having a rack gear, an electric motor, a pinion gear, and a cutting blade.
  • the assignee developed the cushioning dunnage producing machine disclosed in WO 2008/030743 (published on 13.03.2008 ) That machine comprises a crumpler, a roll of paper sheet material having a first end at a radially innermost location and a second end at a radially outermost location, the first end fed into the cushioning dunnage producing machine, the crumpler drawing the paper sheet from the roll and crumpling the paper sheet into cushioning dunnage.
  • Fig. 1 is a perspective view of a cushioning dunnage producing machine and a roll of paper sheet material.
  • Fig. 2 is a side view in partial cross-section of the machine and material of Fig. 1 ,
  • Fig. 3 is a perspective view of the roll of paper sheet material as it is unrolled from a first end at a radially innermost location of the roll and as it is twisted about its longitudinal axis into a helix as it is drawn off of the roll and into the machine of Figs. 1 and 2 , and
  • Fig. 4 is a view taken along line 4-4 in Fig. 1 .
  • a cushioning dunnage producing machine 10 a roll 20 of paper sheet material for feeding the machine 10, and the resulting cushioning dunnage 30 produced by the machine 10, are illustrated.
  • Machine 10 can include a base 102, a support 104 extending upwardly from the base 102, and a crumpler 106 mounted on the support 104.
  • Crumpler 106 can be in the form of a driven roller 108 which can cooperate with an idler roller 110 to crumple the paper sheet 202 being unrolled from the roll 20, as will be described in more detail below.
  • Idler roller 110 can be mounted in parallel tracks 112, 112 in sides 114, 114 of crumpler 106 to provide a means of adjusting the distance between the crumpling roller 108 and the idler roller 110 and hence the amount of compression, or crumple, imparted to the sheet 202.
  • Driven roller 108 can be driven by a motor, for example electric motor 116, which can be mounted to a side 114 of the crumpler 106.
  • An additional pair of guide rollers 118 and 120 can be mounted to the support 104 and/or crumpler 106 to aid in transitioning the sheet 202 from the roll 20 to the crumpler 106.
  • a roll supporting platform 122 can be mounted to the support 104 for supporting the roll 20 of paper sheet material.
  • the roll 20 can simply be placed on a supporting surface, such as a table top, floor, etc., and at any orientation to include upright (vertical), horizontal, and any inclination therebetween.
  • Roll 20 can be placed in a box 204 supported on platform 122.
  • dunnage producing machines can be employed in the practice of the method other than the machine 10 illustrated.
  • dunnage producing machines of the types shown in U.S. Patents Nos. 6,106,452 and 3,603,216 can be employed in the practice of the method.
  • the roll 20 of paper sheet 202 is illustrated as it is unrolled from, i.e. drawn off of, the roll 20 and into the machine 10 of Figs. 1 and 2 .
  • the roll 20 of paper sheet 202 has a first end 204 which is originally located at a radially innermost location 206, and a second end 208 located at a radially outermost location 210.
  • the dunnage producing method thus permits larger rolls of paper to be utilized without the size and weight of the roll necessitating changes in the design of the machine and/or causing the paper to tear during feeding into the machine.
  • forming/folding/rolling apparatus to form/fold/roll the paper sheet prior to crumpling such as that shown in US Patents Nos. 6,106,452 and 3,603,216 , is not required since unrolling the roll "from the inside out” generates a paper sheet helix, i.e. forms/folds/rolls the paper sheet without any such forming/folding/rolling apparatus per se.
  • machine 10 includes a cutter 40 for cutting the cushioning dunnage 30 into a desired length.
  • Cutter 40 includes a mounting plate 402 having first and second transversely extending slots 404, 406, respectively therethrough.
  • the first slot 404 is for the cushioning dunnage 30 to pass through.
  • a rack gear 408 can be mounted on one side, for example lower side, of the plate 402 adjacent the second slot 406.
  • An electric motor 410 has an output shaft 412.
  • a pinion gear 414 can be mounted on the output shaft 412 of the electric motor 410 and positioned to engage the rack gear 408.
  • the output shaft 412 of the electric motor 410 can pass through the second slot 406 to the other side, for example upper side, of the mounting plate 402.
  • a circular cutting blade 416 can be mounted to the end of the output shaft 412 and positioned on the other side of the mounting plate 402.
  • the cutting blade 416 and first and second slots 404, 406 are sized and arranged so that as the blade 416 travels from one end of said rack gear 408 to the other end of said rack gear 408, the blade 416 rotates and travels across the first slot 404 to sever the dunnage 30.
  • the embodiments shown and described are merely for illustrative purposes only.
  • the drawings and the description are not intended to limit in any way the scope of the claims. Those skilled in the art will appreciate various changes, modifications, and alternative embodiments within the scope of the claims.
  • the cutter has been shown and described in conjunction with one particular type of dunnage producing machine and one particular type of paper feed ("from the inside out"), the cutter can also be used with other types of dunnage producing machines and other types of paper feed.
  • the scope of the right to exclude shall be limited only by the following claims.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Description

    Field
  • This relates generally to cushioning products, and more specifically to a cushioning product of the type formed by crumpling (sometimes referred to as "converting") paper sheet material.
    • Background
  • In the process of shipping an item from one location to another, a protective packaging material is typically placed in the shipping carton or box, to fill any voids and/or to cushion the item during the shipping process. Examples of protective packaging materials are foam "peanuts," air filled plastic "pillows," and paper sheet material "converted" into cushioning pads.
  • A number of machines have been proposed for crumpling or "converting" paper sheet into cushioning pads or "dunnage." One particularly commercially successful machine is disclosed in US Patent No. 6, 106,452 . In dunnage producing machines in general, a roll of paper sheet is rotatably supported on the frame of the machine. The leading end of the paper sheet is fed into the machine, the machine draws the paper sheet into it by rotating the roll of paper (i.e. unrolling the roll), and the machine crumples the paper into dunnage.
  • The amount of paper which can be utilized is limited due to size and weight considerations. First, since the machine itself carries the roll of paper, the machine must be able to physically accommodate the size of the roll. While it would be desirable to have the machine be able to handle larger rolls of paper to reduce downtime of the machine due to the machine having to be refilled by an operator, a larger roll requires a larger machine to handle the larger physical size of the roll and/or a heavier machine (or a machine with a redesigned base) to avoid tipping of the machine, etc. Second, the rotational moment of inertia of a larger roll of paper creates problems for the machine in drawing the paper off the roll. Once the roll reaches a certain weight (and hence a certain rotational moment of inertia), the force required to draw (unroll) the paper from the roll exceeds the tensile strength of the paper, thus causing the paper to tear.
  • Dunnage producing machines such as the one shown in U.S. Pat. No. 6,106,452 and discussed above, and shown in U.S. Pat. No. 3,603,216 , include a forming/folding/rolling apparatus to form/fold/roll the paper sheet prior to crumpling, to add thickness/resilience to the finished dunnage product. Such forming/folding/rolling apparatus adds cost and complexity to the dunnage machine. WO 2006/087511 A1 and EP 0 523 382 A1 describe cushioning dunnage producing machines having a crumpler, a roll of paper sheet material, and a cutter. DE 195 38 319 C1 relates to a cutter having a rack gear, an electric motor, a pinion gear, and a cutting blade.
  • It is desirable to be able to utilize larger rolls of paper for dunnage machines without suffering from the aforementioned disadvantages of larger rolls.
  • It is also desirable to be able to eliminate forming/folding apparatus from the dunnage machine.
  • To that end, the assignee developed the cushioning dunnage producing machine disclosed in WO 2008/030743 (published on 13.03.2008 ) That machine comprises a crumpler, a roll of paper sheet material having a first end at a radially innermost location and a second end at a radially outermost location, the first end fed into the cushioning dunnage producing machine, the crumpler drawing the paper sheet from the roll and crumpling the paper sheet into cushioning dunnage.
  • It is desirable to equip the dunnage producing machine of WO 2008/030743 with a device for cutting the dunnage into strips of the desired length.
    • Summary
  • The above mentioned objects are obtained by a cushioning dunnage production machine according to claim 1 and a cutter according to claim 11.
  • Other features of the dunnage producing machine are defined in the dependent claims.
    • Drawings
  • Fig. 1 is a perspective view of a cushioning dunnage producing machine and a roll of paper sheet material.
  • Fig. 2 is a side view in partial cross-section of the machine and material of Fig. 1,
  • Fig. 3 is a perspective view of the roll of paper sheet material as it is unrolled from a first end at a radially innermost location of the roll and as it is twisted about its longitudinal axis into a helix as it is drawn off of the roll and into the machine of Figs. 1 and 2, and
  • Fig. 4 is a view taken along line 4-4 in Fig. 1.
    • Description
  • Referring first to Figs. 1 and 2, a cushioning dunnage producing machine 10, a roll 20 of paper sheet material for feeding the machine 10, and the resulting cushioning dunnage 30 produced by the machine 10, are illustrated.
  • Machine 10 can include a base 102, a support 104 extending upwardly from the base 102, and a crumpler 106 mounted on the support 104. Crumpler 106 can be in the form of a driven roller 108 which can cooperate with an idler roller 110 to crumple the paper sheet 202 being unrolled from the roll 20, as will be described in more detail below. Idler roller 110 can be mounted in parallel tracks 112, 112 in sides 114, 114 of crumpler 106 to provide a means of adjusting the distance between the crumpling roller 108 and the idler roller 110 and hence the amount of compression, or crumple, imparted to the sheet 202. Driven roller 108 can be driven by a motor, for example electric motor 116, which can be mounted to a side 114 of the crumpler 106. An additional pair of guide rollers 118 and 120 can be mounted to the support 104 and/or crumpler 106 to aid in transitioning the sheet 202 from the roll 20 to the crumpler 106. A roll supporting platform 122 can be mounted to the support 104 for supporting the roll 20 of paper sheet material. In the alternative, the roll 20 can simply be placed on a supporting surface, such as a table top, floor, etc., and at any orientation to include upright (vertical), horizontal, and any inclination therebetween. Roll 20 can be placed in a box 204 supported on platform 122. Other types of dunnage producing machines can be employed in the practice of the method other than the machine 10 illustrated. For example, dunnage producing machines of the types shown in U.S. Patents Nos. 6,106,452 and 3,603,216 can be employed in the practice of the method.
  • Referring now to Fig. 3, the roll 20 of paper sheet 202 is illustrated as it is unrolled from, i.e. drawn off of, the roll 20 and into the machine 10 of Figs. 1 and 2. The roll 20 of paper sheet 202 has a first end 204 which is originally located at a radially innermost location 206, and a second end 208 located at a radially outermost location 210. (Since, as purchased, a typical roll 20 of paper sheet 202 comes wound on a stiff inner cardboard tube, the tube is first removed from the interior of the roll 20 of paper 202.) As the first end 204 of the paper sheet 202 is fed into the cushioning dunnage producing machine 10, the sheet 202 twists about a longitudinal axis of the sheet 202 into a helix 212. The helix 212 of paper sheet 202 is then crumpled with the rollers 108, 110.
  • The dunnage producing method thus permits larger rolls of paper to be utilized without the size and weight of the roll necessitating changes in the design of the machine and/or causing the paper to tear during feeding into the machine. And, forming/folding/rolling apparatus to form/fold/roll the paper sheet prior to crumpling, such as that shown in US Patents Nos. 6,106,452 and 3,603,216 , is not required since unrolling the roll "from the inside out" generates a paper sheet helix, i.e. forms/folds/rolls the paper sheet without any such forming/folding/rolling apparatus per se.
  • Referring now to Figs. 1, 2, and 4, machine 10 includes a cutter 40 for cutting the cushioning dunnage 30 into a desired length. Cutter 40 includes a mounting plate 402 having first and second transversely extending slots 404, 406, respectively therethrough. The first slot 404 is for the cushioning dunnage 30 to pass through. A rack gear 408 can be mounted on one side, for example lower side, of the plate 402 adjacent the second slot 406. An electric motor 410 has an output shaft 412. A pinion gear 414 can be mounted on the output shaft 412 of the electric motor 410 and positioned to engage the rack gear 408. The output shaft 412 of the electric motor 410 can pass through the second slot 406 to the other side, for example upper side, of the mounting plate 402. A circular cutting blade 416 can be mounted to the end of the output shaft 412 and positioned on the other side of the mounting plate 402. The cutting blade 416 and first and second slots 404, 406 are sized and arranged so that as the blade 416 travels from one end of said rack gear 408 to the other end of said rack gear 408, the blade 416 rotates and travels across the first slot 404 to sever the dunnage 30.
    The embodiments shown and described are merely for illustrative purposes only. The drawings and the description are not intended to limit in any way the scope of the claims. Those skilled in the art will appreciate various changes, modifications, and alternative embodiments within the scope of the claims. For example, while the cutter has been shown and described in conjunction with one particular type of dunnage producing machine and one particular type of paper feed ("from the inside out"), the cutter can also be used with other types of dunnage producing machines and other types of paper feed. The scope of the right to exclude shall be limited only by the following claims.

Claims (11)

  1. A cushioning dunnage producing machine (10) for producing dunnage (30) from a roll (20) of paper sheet material (202), said machine (10) comprising:
    a crumpler (106) adapted to drawi the paper sheet material (202) from the roll (20) and crumple the paper sheet material (202) into cushioning dunnage (30), and
    a cutter (40) which travels laterally across said cushioning dunnage (30) to cut said dunnage (30) into a strip of a desired length, characterized in that said cutter (40) comprises:
    a mounting plate (402) having first and second transverse slots (404, 406) therethrough, said cushioning dunnage (30) passing through said first slot (404),
    a rack gear (408) mounted on one side of said mounting plate (402) adjacent said second slot (406),
    an electric motor (410) having an output shaft (412),
    a pinion gear (414) mounted on said output shaft (412) of said electric motor (410) and positioned to engage said rack gear (408),
    said output shaft (412) of said electric motor (410) passing through said second slot (406) to the other side of said mounting plate (402), and
    a circular cutting blade (416) mounted to the end of said output shaft (412) and positioned on the other side of said mounting plate (402),
    said cutting blade (416) and first and second slots (404, 406) being sized and arranged so that as said blade (416) travels from one end of said rack gear (408) to the other end of said rack gear (408) said blade (416) travels across said first slot (404) to sever said dunnage (30).
  2. The dunnage producing machine (10) of claim 1 wherein said roll (20) is positioned standing on end.
  3. The dunnage (10) producing machine of claim 2 wherein said sheet (202) twists about a longitudinal axis of said sheet (202) into a helix (212) as said sheet (202) is drawn from said roll (20) and into said machine (10).
  4. The dunnage producing machine (10) of claim 1 wherein said machine (10) comprises a base (102) and a support (104) extending upwardly from said base (102), said crumpler (106) mounted on said support (104).
  5. The dunnage producing machine (10) of claim 4 wherein said crumpler (106) comprises a pair of opposed rollers (108, 110), at least one of which is driven.
  6. The dunnage producing machine (10) of claim 5 wherein said pair of opposed rollers comprises a driven roller (108) and an idler roller (110).
  7. The dunnage producing machine (10) of claim 6 wherein said driven roller (108) and idler roller (110) are mounted for relative movement therebetween such that a distance between said driven roller (108) and idler roller (110) can be adjusted to vary an amount of compression imparted to the paper sheet material (202).
  8. The dunnage producing machine (10) of claim 1 wherein said machine (10) further comprises a motor (116) for driving said driven roller (108).
  9. The dunnage producing machine (10) of claim 4 wherein said machine (10) further comprises a pair of guide rollers (118, 120) mounted to at least one of said support (104) and said crumpler (106) to aid in transitioning the sheet material (202) from said roll (20) to said crumpler (106).
  10. The dunnage producing machine (10) of claim 4 wherein said machine (10) further comprises a roll supporting platform (122) mounted to said support (104) for supporting said roll (20) of paper sheet material (202).
  11. A cutter (40) for a machine (10) which produces cushioning dunnage (30), said cutter (40) comprising:
    a mounting plate (402),
    a rack gear (408),
    a pinion gear (414) positioned to engage the rack gear (408),
    an electric motor (410) having an output shaft (412),
    characterized in that
    the mounting plate (402) has first and second transverse slots (404, 406) therethrough, said first slot (404) being adapted for the cushioning dunnage (30) to pass therethrough,
    the rack gear (408) is mounted on one side of said mounting plate (402) adjacent said second slot (406), the pinion gear (414) is mounted on said output shaft (412) of said electric motor (410),
    said output shaft (412) of said electric motor (410) passes through said second slot (406) to the other side of said mounting plate (402), and in that the cutter (40) further comprises
    a circular cutting blade (416) mounted to the end of said output shaft (412) and positioned on the other side of said mounting plate (402),
    said cutting blade (406) and first and second slots (404, 406) being sized and arranged so that as said blade (416) travels from one end of said rack gear (408) to the other end of said rack gear (408) said blade (416) travels across said first slot (404) to sever the dunnage (30).
EP20080746619 2007-04-23 2008-04-23 Cutting device for cushioning dunnage producing machine and machine with cutting device Not-in-force EP2155448B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/738,676 US7789819B2 (en) 2007-04-23 2007-04-23 Cutting device for cushioning dunnage producing machine
PCT/US2008/061231 WO2008131404A1 (en) 2007-04-23 2008-04-23 Cutting device for cushioning dunnage producing machine

Publications (2)

Publication Number Publication Date
EP2155448A1 EP2155448A1 (en) 2010-02-24
EP2155448B1 true EP2155448B1 (en) 2013-05-29

Family

ID=39645612

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Application Number Title Priority Date Filing Date
EP20080746619 Not-in-force EP2155448B1 (en) 2007-04-23 2008-04-23 Cutting device for cushioning dunnage producing machine and machine with cutting device

Country Status (4)

Country Link
US (1) US7789819B2 (en)
EP (1) EP2155448B1 (en)
AU (1) AU2008242568A1 (en)
WO (1) WO2008131404A1 (en)

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Also Published As

Publication number Publication date
US7789819B2 (en) 2010-09-07
US20080261794A1 (en) 2008-10-23
EP2155448A1 (en) 2010-02-24
WO2008131404A1 (en) 2008-10-30
AU2008242568A1 (en) 2008-10-30

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